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Individual Calculations January 2012 |
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| Moaataz, Ayah Total change: -7.20 | |   |
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| Egyptian Championship 2011 | Cairo | EGY | 2011-11-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1981 | 1903 | 0.00 | 1 | -0.39 | 30 | -11.70 | |
|  Louis-Sidois, Charles | | | 1981 | FRA | 0.00 | 1 | -0.39 | 30 | -11.70 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Arab Games 2011. Women Section. | Doha | QAT | 2011-12-13 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2002 | 1903 | 2.50 | 6 | 0.15 | 30 | 4.50 | |
|  Al-Zarouni, Kholoud Essa | | wf | 1861 | UAE | 0.50 | 1 | -0.06 | 30 | -1.80 | | | Ebtsam, Adi | | | 1727 | PLE | 1.00 | 1 | 0.27 | 30 | 8.10 | | | Al-Rufaye, Iman Hasan Mohammed | | wm | 2155 | IRQ | 0.00 | 1 | -0.19 | 30 | -5.70 | | | Zhu, Chen | g | | 2303 * | QAT | 0.00 | 1 | -0.08 | 30 | -2.40 | | | Elamri, Laila A | | wf | 1910 | MAR | 0.50 | 1 | 0.01 | 30 | 0.30 | | | Mezioud, Amina | | wm | 2053 | ALG | 0.50 | 1 | 0.20 | 30 | 6.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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